National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Witham Field Airport (KSUA)

Lat: 27.18°NLon: 80.23°WElev: 13ft.

Fair

88°F

31°C

Humidity 79%
Wind Speed SE 8 mph
Barometer 30.12 in
Dewpoint 81°F (27°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 9 Sep 9:50 am EDT
Extended Forecast for

3 Miles SE Port St. Lucie-River Park FL

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 102. East wind 5 to 10 mph.

    High: 90 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 77. East wind around 5 mph becoming calm.

    Low: 77 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 103. Light east southeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. Calm wind.

    Low: 75 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Showers and possibly a thunderstorm, mainly after 8am. High near 90. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Chance of precipitation is 80%.

    High: 90 °F

    Showers
    Likely then
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Low around 75. Calm wind. Chance of precipitation is 80%.

    Low: 75 °F

    Showers then
    Slight Chance
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms after 2pm. High near 90. Light southeast wind becoming east southeast 5 to 10 mph in the afternoon. Chance of precipitation is 80%.

    High: 90 °F

    Showers
    Likely then
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms, mainly before 8pm. Low around 76. East southeast wind around 5 mph becoming calm. Chance of precipitation is 80%.

    Low: 76 °F

    T-storms then
    Slight Chance
    T-storms

  • Sunday

    Sunday: Showers and thunderstorms, mainly after 2pm. High near 90. Light east southeast wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 80%.

    High: 90 °F

    Chance
    T-storms then
    T-storms

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 102. East wind 5 to 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 77. East wind around 5 mph becoming calm.
Thursday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 103. Light east southeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 75. Calm wind.
Friday
Showers and possibly a thunderstorm, mainly after 8am. High near 90. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Low around 75. Calm wind. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms after 2pm. High near 90. Light southeast wind becoming east southeast 5 to 10 mph in the afternoon. Chance of precipitation is 80%.
Saturday Night
Showers and thunderstorms, mainly before 8pm. Low around 76. East southeast wind around 5 mph becoming calm. Chance of precipitation is 80%.
Sunday
Showers and thunderstorms, mainly after 2pm. High near 90. Light east southeast wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 80%.
Sunday Night
Showers and thunderstorms, mainly before 8pm. Low around 75. Calm wind. Chance of precipitation is 80%.
Monday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely. Mostly sunny, with a high near 89. Light east northeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Port St. Lucie-River Park FL
 27.29°N 80.31°W (Elev. 3 ft)
Last Update:
8:55 am EDT Sep 9, 2026
Forecast Valid:
10am EDT Sep 9, 2026-6pm EDT Sep 15, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation